3.14% is the change from 573 to 591
Calculation steps:
[( 591 - 573 ) ÷ 573] x 100 = 3.14%
Formula
Percentage change = [(591 - 573) / 573] x 100
Subtract the new number by the original number
591 - 573 = 18
18 ÷ 573 = 0.031413612565445025
0.031413612565445025 x 100 = 3.14%